469896 (2005 WC1)

NEO PHA MOID ⇩ IMP ⇩ COV ★ EPH ⇩ OBS ⇩ Radar
Orbital Elements
Epoch (TDB)2025-11-21 (JD 2461000.5)
Eccentricity (e)0.4865683934 ± 8.89e-08
Semi-major axis (a)1.4005055739 AU ± 3.93e-09
Inclination (i)19.98103491° ± 1.11e-05
Long. of Asc. Node (Ω)264.93900806° ± 1.54e-06
Arg. of Perihelion (ω)256.81056665° ± 1.71e-05
Mean Anomaly (M)340.33979297° ± 2.06e-05
Mean Motion (n)0.5946823018°/day ± 2.50e-09
Perihelion dist (q)0.71906383 AU ± 1.24e-07
Aphelion dist (Q)2.08194732 AU ± 1.25e-07
Orbital Period1.65739972 yr ± 6.98e-09
Physical Parameters
H (abs. magnitude)20.66
G (slope)0.15
Orbit Solution
SourceIAA
Solution Date2026-06-01
RMS Residual0.449″
Uncertainty0
Orbit TypeApollo
MOID0.014309 AU
Observations Used211
Radar Obs Used4
Oppositions1
Arc Total2005-2024
First Observation Used2005-11-21
Last Observation Used2024-07-06
Observations (223)
Date Type RA Dec Mag Band Observatory
2005-12-06 08:00:56 C 07 17 11.93 +69 37 05.6 o G77
2005-12-06 08:18:03 C 07 17 23.24 +69 37 38.5 o G77
2005-12-06 08:25:18 C 07 17 28.15 +69 37 52.7 o G77
2005-12-06 08:37:37 C 07 17 36.37 +69 38 15.8 o G77
2005-12-06 08:42:58 C 07 17 39.99 +69 38 25.8 o G77
2005-12-06 10:05:31 C 07 18 28.67 +69 40 49.4 c H45
2005-12-06 10:17:36 C 07 18 36.82 +69 41 09.2 c H45
2005-12-06 10:20:30 C 07 18 38.92 +69 41 13.9 c H45
2005-12-06 10:22:48 C 07 18 40.53 +69 41 17.6 c H45
2005-12-06 10:24:42 C 07 18 41.75 +69 41 20.0 c H45
2005-12-07 07:47:21 C 07 37 20.87 +70 19 31.3 o G77
2005-12-07 08:01:45 C 07 37 33.95 +70 20 00.0 o G77
2005-12-07 08:18:46 C 07 37 49.63 +70 20 34.1 o G77
2005-12-07 08:30:39 C 07 38 00.59 +70 20 57.6 o G77
2005-12-07 08:39:08 C 07 38 08.30 +70 21 14.6 o G77
2005-12-07 08:45:41 C 07 38 06.60 +70 21 35.2 c H45
2005-12-07 08:48:14 C 07 38 08.97 +70 21 38.4 c H45
2005-12-07 08:50:52 C 07 38 11.46 +70 21 43.5 c H45
2005-12-07 08:53:00 C 07 38 13.39 +70 21 47.0 c H45
2005-12-07 08:55:14 C 07 38 15.48 +70 21 51.2 c H45
2005-12-09 08:59:19 C 08 47 06.14 +71 29 17.0 c H45
2005-12-09 09:03:10 C 08 47 13.36 +71 29 19.0 c H45
2005-12-09 09:05:17 C 08 47 17.29 +71 29 19.7 c H45
2005-12-09 09:06:51 C 08 47 20.10 +71 29 19.1 c H45
2005-12-09 09:09:31 C 08 47 25.30 +71 29 22.9 c H45
2005-12-10 01:07:54 C 09 23 30.10 +71 23 57.4 o A74
2005-12-10 01:08:17 C 09 23 31.03 +71 23 56.9 o A74
2005-12-10 01:08:40 C 09 23 31.99 +71 23 56.5 o A74
2005-12-10 01:09:25 C 09 23 33.87 +71 23 56.1 o A74
2005-12-10 01:09:47 C 09 23 34.77 +71 23 55.5 o A74
2005-12-10 01:10:11 C 09 23 35.68 +71 23 55.4 o A74
2005-12-10 01:10:33 C 09 23 36.58 +71 23 54.8 o A74
2005-12-10 01:10:56 C 09 23 37.53 +71 23 54.4 o A74
2005-12-10 01:11:19 C 09 23 38.41 +71 23 54.3 o A74
2005-12-10 01:11:41 C 09 23 39.39 +71 23 53.8 o A74
2005-12-10 01:12:04 C 09 23 40.24 +71 23 53.4 o A74
2005-12-10 01:12:27 C 09 23 41.17 +71 23 53.1 o A74
2005-12-10 01:12:50 C 09 23 42.14 +71 23 52.6 o A74
2005-12-10 01:13:12 C 09 23 43.05 +71 23 52.6 o A74
2005-12-10 01:13:35 C 09 23 44.00 +71 23 51.9 o A74
2005-12-10 01:13:58 C 09 23 44.87 +71 23 51.7 o A74
2005-12-10 01:14:20 C 09 23 45.85 +71 23 51.2 o A74
2005-12-10 01:14:43 C 09 23 46.73 +71 23 50.9 o A74
2005-12-10 01:15:06 C 09 23 47.69 +71 23 50.6 o A74
2005-12-10 01:15:29 C 09 23 48.65 +71 23 50.0 o A74
2005-12-10 01:15:51 C 09 23 49.53 +71 23 49.7 o A74
2005-12-10 03:42:57 C 09 30 17.27 +71 17 40.2 c G77
2005-12-10 03:55:10 C 09 30 50.14 +71 17 26.4 c G77
2005-12-10 04:00:36 C 09 31 04.61 +71 17 20.6 c G77
2005-12-10 04:07:24 C 09 31 22.69 +71 17 12.1 c G77
Radar Observations (9)
Epoch (UTC)ValueSigmaUnitsFreq (MHz)ReceiverTransmitter
2005-12-14 13:00:00 -6206.102 0.5 Hz 2380 -1 -1
2005-12-14 14:15:00 -15634.7046 1 Hz 2380 -1 -1
2005-12-14 14:44:00 20198941.39 1 us 2380 -1 -1
2005-12-14 14:44:00 -19261.7405 1 Hz 2380 -1 -1
2005-12-14.541667 -620610 50 Hz 2380 251 251
2005-12-14.593750 -1563470 100 Hz 2380 251 251
2005-12-14.613889 2019894139 1000 us 2380 251 251
2005-12-15 13:30:00 -463428.4 1 Hz 8560 -14 -14
2005-12-15.562500 -46342840 100 Hz 8560 253 253
Station codes
-14 DSS-14 Goldstone (70-m) -1 Arecibo (305-m, 1963–2020)